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Finding the Third Proportional to 12,711.50 and 29,694

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Solution

The third proportional to 12,711.50 and 29,694 is: 69,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.50 : 29,694 = 29,694 : x
  2. Step 2: Convert to fraction form
    12,711.50/29,694 = 29,694/x
  3. Step 3: Cross multiply
    12,711.50x = 29,694 × 29,694
  4. Step 4: Simplify right side
    12,711.50x = 881,733,636
  5. Step 5: Solve for x
    x = 881,733,636/12,711.50
  6. Step 6: Final answer
    x = 69,365.03

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.